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Life Sci. 2003 Jan 3;72(7):851-61.

A single administration of adenoviral-mediated HGF cDNA permits survival of mice from acute hepatic failure.

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  • 1Department of Pharmacology, Dong-A University College of Medicine and Institute of Medical Science, Dongdaesin-Dong, Seo-Ku, Busan 602-103, South Korea.

Abstract

Heptatocyte growth factor (HGF) having a variety of biological activity was suggested as a protective agent against acute toxic hepatic injury or a potentially therapeutic agent. For the efficient in vivo application of this factor, we employed adenoviral-mediated HGF gene delivery system. In this study, we constructed E1-deleted recombinant adenovirus carrying cDNA of human HGF (Ad.hHGF) and elucidated that HGF was efficiently expressed in the liver of C57/BL mice. A mouse model of acute hepatic failure was induced by high dose (1000mg/kg) of thioacetamide (TA) administration. Mice infected with Ad.hHGF showed a dramatic resistance to TA-induced acute hepatic injury. Serum ALT was increased transiently and then the level was normalized in Ad.hHGF-infected mice with TA administration. Furthermore, the survival rate was remarkably enhanced in the mice infected with Ad.hHGF. In the histological examination, massive hepatic necrosis induced by TA was almost completely protected by HGF produced by Ad.hHGF. Our results indicate that a single dose of HGF-encoding adenoviral vector maintained liver function and prevented the progression of liver necrosis in a mouse model of acute hepatic failure.

PMID:
12479984
[PubMed - indexed for MEDLINE]
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